MAX9032AUA - Maxim Integrated

General Description

The MAX9030/MAX9031/MAX9032/MAX9034 single/

dual/quad comparators are optimized for single-supply

applications from +2.5V to +5.5V but can also be operat-

ed from dual supplies. These comparators have a 188ns

propagation delay and consume 35μA of supply current

per comparator over the -40°C to +125°C operating tem-

perature range. The combination of low-power, single-

supply operation down to +2.5V, and ultra-small footprint

makes these devices ideal for portable applications.

The MAX9030 is a low-cost single comparator with shut-

down. The MAX9031, MAX9032, and MAX9034 are low-

cost single, dual, and quad comparators without shutdown,

respectively. The comparators’ 4mV of built-in hysteresis

provides noise immunity and prevents oscillations even

with a slow-moving input signal. The input common-mode

range extends from the negative supply to within 1.1V of

the positive supply. The design of the comparator output

stage substantially reduces switching current during output

transitions, virtually eliminating power-supply glitches. The

MAX9030 single comparator with shutdown is available in

the space-saving 6-pin SC70 and SOT23 packages.

The MAX9031 single comparator is available in tiny

5-pin SC70 and SOT23 packages. The MAX9032 dual

comparator is available in 8-pin SOT23 and μMAX® pack-

ages, and the MAX9034 quad comparator is available in

a 14-pin TSSOP package.

Applications

Features

●Low-Cost Solution Available in Space-Saving SC70

Packages (MAX9030/MAX9031)

●+2.5 to +5.5V Single-Supply Voltage Range

●Comparator Output Swings Rail-to-Rail

●Internal 4mV Comparator Hysteresis

●188ns Propagation Delay

● Low 35μA Supply Current

●No Phase Reversal for Overdriven Inputs

●Space-Saving Packages

• 5-Pin SC70 (MAX9031)

• 6-Pin SC70 (MAX9030)

• 8-Pin SOT23 (MAX9032)

• 14-Pin TSSOP (MAX9034)

Typical Application Circuit appears at end of data sheet.

μMAX is a registered trademark of Maxim Integrated Products, Inc.

19-1767; Rev 3; 4/19

●Battery-Powered

●Portable Systems

●Mobile Communications

●Sensor Signal Detection

●Photodiode Preamps

●Digital Line Receivers

●Keyless Entry Systems

●Threshold Detectors/

●Discriminators

+Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

/V denotes automotive qualified part.

PART TEMP. RANGE PIN-PACKAGE

MAX9030AXT+T -40°C to +125°C 6 SC70

MAX9030AUT+T -40°C to +125°C 6 SOT23

MAX9031AXK+T -40°C to +125°C 5 SC70

MAX9031AUK+T -40°C to +125°C 5 SOT23

MAX9032AKA+T -40°C to +125°C 8 SOT23

MAX9032AUA+ -40°C to +125°C 8 µMAX

MAX9032ASA+ -40°C to +125°C 8 SO

MAX9032ASA/V+ -40°C to +125°C 8 SO

MAX9034AUD+ -40°C to +125°C 14 TSSOP

MAX9034ASD+ -40°C to +125°C 14 SO

TOP VIEW

VSS

OUTIN-

1 5 VDD

IN+

MAX9031

SC70/SOT23

3 4

INB-

INB+VSS

VDD

OUTBINA-

INA+

OUTA

SOT23/µMAX/SO

MAX9032

OUTD

IND-

IND+

VSS

VDD

INA+

INA-

OUTA

MAX9034

INC+

INC-

OUTCOUTB

INB-

INB+

TSSOP/SO

VSS

OUTIN-

1 6 VDD

IN+

MAX9030

SC70/SOT23

3 4

SHDN

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

Pin Congurations

Ordering Information

Click here for production status of specic part numbers.

Supply Voltage (VDD to VSS) ..................................-0.3V to +6V

Voltage Inputs (IN+, IN- to VSS) ............... -0.3V to (VDD + 0.3V)

Differential Input Voltage (IN+ to IN-) .................................+6.6V

Output Short-Circuit

Duration .................................................2s to Either VDD or VSS

Current into Any Pin ...........................................................20mA

Continuous Power Dissipation (TA = +70°C) ..............................

5-Pin SC70 (derate 3.1mW/°C above +70°C) .............247mW

5-Pin SOT23 (derate 7.1mW/°C above +70°C) ..........571mW

6-Pin SC70 (derate 3.1mW/°C above +70°C) .............245mW

6-Pin SOT23 (derate 8.7mW/°C above +70°C).............696mW

8-Pin SOT23 (derate 9.1mW/°C above +70°C).............727mW

8-Pin μMAX (derate 4.5mW/°C above +70°C) ..............362mW

8-Pin SO (derate 5.88mW/°C above +70°C).................471mW

14-Pin TSSOP (derate 9.1mW/°C above +70°C) ..........727mW

14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW

Operating Temperature Range

Automotive Application ................................. -40°C to +125°C

Junction Temperature ...................................................... +150°C

Storage Temperature Range ............................ -65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Soldering Temperature (reflow) ....................................... +260°C

(VDD = +5V, VSS = 0, VCM = 0, VSHDN = +5V (Note 1), TA = -40°C to +125°C, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 2)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Operating Voltage Range VDD Guaranteed by PSRR test 2.5 5.5 V

Supply Current per Comparator IDD 35 55 µA

Supply Current in Shutdown VSHDN = 0 (Note 1) 0.05 1 µA

Shutdown Input Bias Current VSHDN = 0 to VDD (Note 1) 0.1 2.5 µA

Shutdown Logic High (Note 1) 0.7 x VDD V

Shutdown Logic Low (Note 1) 0.3 x VDD V

Input O󰀨set Voltage VOS (Note 3) ±1 ±5 mV

Input O󰀨set Voltage

Temperature Coe󰀩cient TCVOS ±1 µV/°C

Hysteresis (Note 4) 4 mV

Input Bias Current IBIAS 8 80 nA

Input O󰀨set Current IOS ±2 ±60 nA

Common-Mode Voltage Range VCM Guaranteed by CMRR test VSS VDD - 1.1 V

Common-Mode Rejection Ratio CMRR VSS ≤ VCM ≤ (VDD - 1.1V), VDD = +5.5V 72 100 dB

Power-Supply Rejection Ratio PSRR VDD = +2.5V to +5.5V 72 100 dB

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

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│

Absolute Maximum Ratings

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these

or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect

device reliability.

Electrical Characteristics

(VDD = +5V, VSS = 0, VCM = 0, VSHDN = +5V (Note 1), TA = -40°C to +125°C, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 2)

Note 1: MAX9030 only.

Note 2: All devices are production tested at +25°C. All temperature limits are guaranteed by design.

Note 3: Comparator Input Offset is defined as the center of the hysteresis zone.

Note 4: Hysteresis is defined as the difference of the trip points required to change comparator output states.

Note 5: VOD is the overdrive that is beyond the offset and hysteresis-determined trip points.

Note 6: Rise and fall times are measured between 10% and 90% at OUT.

(VDD = +5V, VSS = 0, VCM = 0, RL = 10kΩ, CL = 15pF, VOD= 100mV, TA = +25°C, unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Output Voltage-Swing VOL, VOH

VOH = VDD - VOUT,

(VIN+ - VIN-) ≥ 20mV

ISOURCE = 10µA 2

ISOURCE = 4mA 165 400

VOL = VOUT - VSS,

(VIN- - VIN+) ≥ 20mV

ISINK = 10µA 2

ISINK = 4mA 165 400

Output Short-Circuit Current ISC 45 mA

Shutdown Mode Output

Leakage

VSHDN ≤ (0. 3 x VDD), VOUT = 0 to VDD

(Note 1) ±0.01 ±3.5 µA

Propagation Delay tPD+, tPD-

RL = 10kΩ,

CL = 15pF (Note 5)

VOD = 10mV 228 ns

VOD = 100mV 188

Rise/Fall-Time tR, tFVDD = +5V, RL = 10kΩ, CL = 15pF (Note 6) 20 ns

Shutdown Delay Time ON/OFF (Note 1) 40 ns

Shutdown Delay Time OFF/ON (Note 1) 400 ns

Power-On Time RL = 10kΩ, CL = 15pF 200 ns

Maximum Capacitive Load CLNo sustained oscillations 150 pF

2.5 3.5 4.03.0 4.5 5.0 5.5

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX9030/1/2/4 toc01

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (µA)

-50 25 50-25 0 75 100 125

SUPPLY CURRENT

vs. TEMPERATURE

MAX9030/1/2/4 toc02

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

1000

100

OUTPUT TRANSITION FREQUENCY (Hz)

SUPPLY CURRENT (µA)

SUPPLY CURRENT

vs. OUTPUT TRANSITION FREQUENCY

100 1k 10k 100k 1M

MAX9030/1/2/4 toc03

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

www.maximintegrated.com Maxim Integrated

│

Electrical Characteristics (continued)

Typical Operating Characteristics

(VDD = +5V, VSS = 0, VCM = 0, RL = 10kΩ, CL = 15pF, VOD= 100mV, TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

-0.5

-0.2

-0.3

-0.4

-0.1

0.4

0.3

0.2

0.1

0.5

-50 -25 0 25 50 75 100 125

INPUT OFFSET VOLTAGE

vs. TEMPERATURE

MAX9030/1/2/4 toc04

TEMPERATURE (°C)

INPUT OFFSET VOLTAGE (mV)

-50 25 50-25 0 75 100 125

OUTPUT SHORT-CIRCUIT (SINK) CURRENT

vs. TEMPERATURE

MAX9030/1/2/4 toc07

TEMPERATURE (°C)

SHORT-CIRCUIT SINK CURRENT (mA)

100

160

140

120

180

200

220

240

260

280

300

0 5025 75 100 125 150

PROPAGATION DELAY vs. CAPACITIVE LOAD

(VDD = +5V)

MAX9030/1/2/4 toc10

CAPACITIVE LOAD (pF)

PROPAGATION DELAY (ns)

tPD-

tPD+

100

140

160

120

180

0 1.5 2.00.5 1.0 2.5 3.0 3.5 4.0 4.5

OUTPUT HIGH VOLTAGE

vs. SOURCE CURRENT

MAX9030/1/2/4 toc05

SOURCE CURRENT (mA)

VDD - VOUT

OUTPUT HIGH VOLTAGE (mV)

-50 25 50-25 0 75 100 125

OUTPUT SHORT-CIRCUIT (SOURCE) CURRENT

vs. TEMPERATURE

MAX9030/1/2/4 toc08

TEMPERATURE (°C)

SHORT-CIRCUIT SOURCE CURRENT (mA)

100

160

140

120

200

180

280

260

240

220

300

-50 -25 0 25 50 75 100 125

PROPAGATION DELAY vs. TEMPERATURE

MAX9030/1/2/4 toc11

TEMPERATURE (°C)

PROPAGATION DELAY (ns)

tPD-

tPD+

100

140

160

120

180

0 1.5 2.00.5 1.0 2.5 3.0 3.5 4.0 4.5

OUTPUT LOW VOLTAGE

vs. SINK CURRENT

MAX9030/1/2/4 toc06

SINK CURRENT (mA)

OUTPUT LOW VOLTAGE (mV)

100

160

140

120

180

200

220

240

260

280

300

0 5025 75 100 125 150

PROPAGATION DELAY vs. CAPACITIVE LOAD

(VDD = 2.7V)

MAX9030/1/2/4 toc09

CAPACITIVE LOAD (pF)

PROPAGATION DELAY (ns)

125

100

175

150

275

250

225

200

300

0 20 40 60 80 100 120 140

PROPAGATION DELAY

vs. INPUT OVERDRIVE VOLTAGE

MAX9030/1/2/4 toc12

INPUT OVERDRIVE VOLTAGE (mV)

PROPAGATION DELAY (ns)

tPD-

tPD+

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

Maxim Integrated

│

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(VDD = +5V, VSS = 0, VCM = 0, RL = 10kΩ, CL = 15pF, VOD= 100mV, TA = +25°C, unless otherwise noted.)

TIME (200ns/div)

PROPAGATION DELAY

MAX9030/1/2/4 toc13

OUT

2V/div

IN+ - IN-

200mV/div

TIME (2µs/div)

OUTPUT SWITCHING CURRENT, RISING

MAX9030/1/2/4 toc14

SWITCHING

CURRENT

200µA/div

IN+ - IN-

5V/div

OUT

5V/div

TIME (1µs/div)

OUTPUT SWITCHING CURRENT, FALLING

MAX9030/1/2/4 toc15

SWITCHING

CURRENT

50µA/div

IN+ - IN-

5V/div

OUT

5V/div

TIME (100ns/div)

SINUSOID 1MHz RESPONSE AT 1.25MHz

VOD = 100mV

MAX9030/1/2/4 toc16

IN+ - IN-

100mV/div

OUT

2V/div

TIME (100ns/div)

SINUSOID 1MHz RESPONSE AT 1.25MHz

VOD = 10mV

MAX9030/1/2/4 toc17

IN+ - IN-

10mV/div

OUT

2V/div

TIME (200ns/div)

POWER-UP DELAY

MAX9030/1/2/4 toc18

VDD

OUT

2.5V/div

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

Maxim Integrated

│

www.maximintegrated.com

Typical Operating Characteristics (continued)

Detailed Description

The MAX9030/MAX9031/MAX9032/MAX9034 are single/

dual/quad low-cost comparators. They have an operating

supply voltage from +2.5V to +5.5V when operating from

a single supply and from ±1.25V to ±2.75V when operat-

ing from dual power supplies, and consume only 35μA.

Their common-mode input voltage range extends from

the negative supply to within 1.1V of the positive supply.

Internal hysteresis ensures clean output switching, even

with slow-moving input signals.

Shutdown Mode

The MAX9030 comparator comes with a power-saving

shutdown mode. When in shutdown, the supply current

drops from a typical 35μA to 0.05μA, and the outputs

become high impedance. SHDN has a high input imped-

ance and typically draws 0.1μA when connected to VSS or

VDD. A maximum logic low voltage of 0.3V x VDD applied

to SHDN places the device in the shutdown mode. A mini-

mum logic high voltage of 0.7V x VDD applied to SHDN

will enable normal operation. To disable shutdown, con-

nect SHDN to VDD.

Applications Information

Adding Hysteresis

Hysteresis extends the comparator’s noise margin by

increasing the upper threshold and decreasing the lower

threshold. A voltage-divider from the output of the com-

parator sets the trip voltage. Therefore, the trip voltage is

related to the output voltage.

These comparators have 4mV internal hysteresis.

Additional hysteresis can be generated with two resistors

using positive feedback (Figure 1). Use the following pro-

cedure to calculate resistor values:

PIN NAME FUNCTION

MAX9030 MAX9031 MAX9032 MAX9034

1 1 — — IN+ Comparator Noninverting Input

2 2 4 11 VSS Negative Supply Voltage. Bypass with a 0.1µF capacitor.

3 3 — — IN- Comparator Inverting Input

4 4 — — OUT Comparator Output

5 — — — SHDN Shutdown

6 5 8 4 VDD Positive Supply Voltage. Bypass with a 0.1µF capacitor.

— — 1 1 OUTA Comparator A Output

— — 2 2 INA- Comparator A Inverting Input

— — 3 3 INA+ Comparator A Noninverting Input

— — 5 5 INB+ Comparator B Noninverting Input

— — 6 6 INB- Comparator B Inverting Input

— — 7 7 OUTB Comparator B Output

— — — 8 OUTC Comparator C Output

— — — 9 INC- Comparator C Inverting Input

— — — 10 INC+ Comparator C Noninverting Input

— — — 12 IND+ Comparator D Noninverting Input

— — — 13 IND- Comparator D Inverting Input

— — — 14 OUTD Comparator D Output

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

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│

Pin Description

1) Find the trip points of the comparator using these

formulas:

VTH = VREF + [((VDD - VREF)R2) / (R1 + R2)

VTL = VREF(1 - (R2 / (R1 + R2))]

where VTH is the threshold voltage at which the compara-

tor switches its output from high to low as VIN rises above

the trip point. VTL is the threshold voltage at which the

comparator switches its output from low to high as VIN

drops below the trip point.

2) The hysteresis band will be:

VHYS = VTH - VTL = VDD(R2 / (R1 + R2))

3) In this example, let VDD = +5V and VREF = +2.5V.

VTH = 2.5V + 2.5(R2 / (R1 + R2))V

and

VTL = 2.5[1 - (R2 / (R1 + R2))]

4) Select R2. In this example, we will choose 1kΩ.

5) Select VHYS. In this example, we will choose 50mV.

6) Solve for R1.

VHYS = VDD(R2 / (R1 + R2))

0.050V = 5(1000Ω/(R1 + 1000Ω))V

where R1 ≈ 100kΩ, VTH = 2.525V, and VTL = 2.475V.

The above-described design procedure assumes rail-to-

rail output swing. If the output is significantly loaded, the

results should be corrected.

Board Layout and Bypassing

Use 100nF bypass as a starting point. Minimize signal

trace lengths to reduce stray capacitance. Minimize the

capacitive coupling between IN- and OUT. For slow-

moving input signals (rise-time > 1ms), use a 1nF capaci-

tor between IN+ and IN-.

Biasing for Data Recovery

Digital data is often embedded into a bandwidth and

amplitude-limited analog path. Recovering the data can

be difficult. Figure 2 compares the input signal to a time-

averaged version of itself. This self-biases the threshold

to the average input voltage for optimal noise margin.

Even severe phase distortion is eliminated from the digital

output signal. Be sure to choose R1 and C1 so that:

ƒCAR >> 1 / (2πR1C1)

where ƒCAR is the fundamental carrier frequency of the

digital data stream.

Figure 1. Additional Hysteresis Figure 2. Time Averaging of the Input Signal for Data Recovery

MAX9031

OUT

IN+

IN-

VIN

VREF

VDD

VSS

VDD

MAX9031

OUT

IN+

IN-

10kΩ

0.1µF

VDD

VIN

VSS

VDD

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

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│

PACKAGE TYPE PACKAGE CODE OUTLINE NO. LAND PATTERN NO.

5 SC70 X5+1 21-0076 90-0188

6 SC70 X6SN+1 21-0077 90-0189

5 SOT23 U5+1 21-0057 90-0174

6 SOT23 U6SN+1 21-0058 90-0175

8 SOT23 K8+5 21-0078 90-0176

8 SO S8+2 21-0041 90-0096

14 SO S14+1 21-0041 90-0112

8 μMAX U8+1 21-0036 90-0092

14 TSSOP U14+1 21-0066 90-0113

MAX9031

OUT

IN+

IN-

VIN

VDD

VIN

VREF

0.1F

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

www.maximintegrated.com Maxim Integrated

│

Typical Application Circuit

Package Information

For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,

“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing

pertains to the package regardless of RoHS status.

REVISION

NUMBER

REVISION

DATE DESCRIPTION PAGES

CHANGED

0 10/00 Initial release —

1 5/10 Removed future product reference and added lead-free parts 1

2 8/12 Added MAX9032ASA/V+ to data sheet 1

3 4/19 Updated Package Information table 8

Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses

are implied. Maxim Integrated reserves the right to change the circuitry and specications without notice at any time. The parametric values (min and max limits)

shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.

Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.

MAX9030/MAX9031/

MAX9032/MAX9034

Low-Cost, Ultra-Small, Single/Dual/Quad

Single-Supply Comparators

│

Revision History

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